fix(character-main): 최근 대화 캐릭터 조회에서 roomId 대신 characterId 반환

src/main/kotlin/kr/co/vividnext/sodalive/chat/room/repository/ChatRoomRepository.kt

@@ -39,6 +39,7 @@ interface ChatRoomRepository : JpaRepository<ChatRoom, Long> {
         value = """
             SELECT new kr.co.vividnext.sodalive.chat.room.dto.ChatRoomListQueryDto(
                 r.id,
+                pc.character.id,
                 r.title,
                 pc.character.imagePath,
                 pc.character.characterType,
@@ -54,7 +55,7 @@ interface ChatRoomRepository : JpaRepository<ChatRoom, Long> {
               AND pc.isActive = true
               AND r.isActive = true
               AND m.isActive = true
-            GROUP BY r.id, r.title, r.createdAt, pc.character.imagePath, pc.character.characterType
+            GROUP BY r.id, r.title, r.createdAt, pc.character.id, pc.character.imagePath, pc.character.characterType
             ORDER BY MAX(m.createdAt) DESC
         """
     )